US10702118B2 - Lustering plate for a portable electric rotary machine - Google Patents

Lustering plate for a portable electric rotary machine Download PDF

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Publication number
US10702118B2
US10702118B2 US15/768,910 US201715768910A US10702118B2 US 10702118 B2 US10702118 B2 US 10702118B2 US 201715768910 A US201715768910 A US 201715768910A US 10702118 B2 US10702118 B2 US 10702118B2
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US
United States
Prior art keywords
lustering
plate
valve
foam body
reservoir
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Expired - Fee Related, expires
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US15/768,910
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English (en)
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US20200146526A1 (en
Inventor
Libero MAZZONE
Michel Barberis
Antonio Greco
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
    • B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents

Definitions

  • the invention herein pertains to a lustering plate formed from a foam body, endowed with a securing surface to be secured to the rotary plate of a lustering machine and having an active surface wetted with the lustering liquid and coming into contact with the surface to be lustered.
  • lustering Since, for lustering, one needs not only a surface that is rubbed against the surface to be lustered but also a liquid that is drawn along by the tool's active surface for lustering the surface. This liquid contains a charge of finely-divided material that is the principal active ingredient for the lustering.
  • a lustering liquid having particular characteristics, depending on the surface to be lustered, as well as a lustering plate suitable for the lustering liquid.
  • Lustering liquids are supplied in relatively large quantities to professionals, meaning that often a part of these large quantities are the remains of one or more operations that become unusable because of deteriorations in the liquid.
  • the purpose of the invention herein is to develop a lustering plate that is practical, and that simplifies the preparatory operations and reduces the wastage of the lustering liquid, both during the lustering and in terms of remainders of unconsumed lustering liquids.
  • the invention herein addresses a lustering plate of the type specified above, characterized by the fact that the lustering plate incorporates:
  • the liquid is dispensed directly onto the active surface during the work, because the operative simply presses the lustering disc against the worked surface and a dose of lustering liquid is dispensed from the reservoir and valve and arrives on the active surface. Since this dose is easily managed by the duration of mechanical contact of opening of the valve, the user can, with practice, very easily manage the dispensation of lustering liquid. Because the liquid arrives on the lustering surface at the center of the plate, there are practically no ejections of the product. It also means that all the product dispensed will be used for the lustering.
  • valve control device is a rod connected to the blocking device, and is pushed back in the direction of opening by the compression of the foam body by its active surface pressing against the surface to be lustered.
  • This control device constitutes a very simple means of controlling the opening of the valve and dispensing the lustering liquid in a measured manner.
  • the valve incorporates a return spring.
  • the valve is maintained closed by the return spring, and it is only when the control device—namely the rod—is pushed back by its arrival against the surface to be lustered or against an intermediate surface that the valve is operated.
  • the return spring closes the valve again.
  • the valve is maintained in the closed position by a magnetic connection that presses the blocking device against the valve seat, with this connection being constituted by for example—a magnetic system such as a magnet incorporated into the valve, and with the valve seat incorporating a ferromagnetic part such as a ring, so as to attract the blocking device against the valve seat and close the valve.
  • the reservoir is reloaded via a filling aperture positioned within the center line of the securing surface.
  • the entire lustering plate including the reservoir and the components or accessories of the reservoir, such as the distribution valve—is composed of components centered around the axis of rotation, which is also the axis of symmetry of the lustering plate, so as to prevent any imbalance and to endow a regular rotation of the lustering plate, which is essential for the quality of the lustering work.
  • FIG. 1 is an axial cross-section of one form of implementation of a lustering plate
  • FIG. 2 shows an axial cross-section of a second form of implementation of a lustering plate
  • FIG. 3 shows an example of active positioning of lustering liquid dispensation in the case of the plate in FIG. 2 ;
  • FIG. 4 is an extremely-simplified schematic of a lustering machine equipped with a lustering plate according to the invention.
  • the invention addresses a lustering plate ( 1 ) that is secured to the tool-bearing rotary plate ( 103 ) of a portable electric rotary machine ( 100 ) driving the rotation of the lustering plate ( 1 ) in a simple rotation movement or an orbital movement on a surface to be lustered (worked surface) (S) using a lustering liquid.
  • a portable electric rotary machine 100
  • FIG. 4 Such a machine is illustrated in FIG. 4 .
  • the lustering plate ( 1 ) is composed of a body ( 2 ) of circular disc form, made of foam, of which one face incorporates a securing surface ( 21 ) for the plate ( 103 ) of the rotary machine ( 100 ), while the other face constitutes the active surface ( 22 ) used for the lustering.
  • the foam body ( 2 ) incorporates a reservoir for lustering liquid ( 3 ).
  • the reservoir ( 3 ) is endowed with a dispensing valve ( 4 ) in the lower wall, at the center (according to the orientation T/B [top/bottom] in FIG. 3 ).
  • the valve ( 4 ) incorporates a valve seat ( 41 ) opening into a pipe ( 42 ) positioned within the foam or composed by a flexible sleeve, over at least part of the height (H 1 ), as from the active surface ( 22 ), under the seat ( 41 ).
  • a blocking device ( 43 ) of a cone shape that complements the shape of the seat ( 41 ), is pressed elastically against it—for example, by means of a spring ( 46 ) pressed, firstly, against the top of the blocking device ( 43 ) and, secondly, against a pressure point ( 44 ) integral with the reservoir or the valve seat ( 41 )—for example, in the form of a bow or strainer above the valve seat ( 41 ).
  • the blocking device ( 43 ) is extended within the pipe ( 42 ) by a rod ( 44 ) arriving above the active surface ( 22 ) not compressed at the height (H 2 ), such that if one compresses the foam to a height (H 1 ), at the extremity of the rod ( 44 ), which will be touched and pushed back, opening the valve ( 4 ) and releasing the lustering liquid.
  • the top of the reservoir ( 3 ) is directly under the securing surface ( 21 ), and is only surrounded by foam laterally and below.
  • the valve ( 4 ), with its blocking device ( 43 ), its spring ( 46 ) and its pressure point ( 44 ), is a part manufactured separately and then incorporated into the reservoir ( 3 ).
  • the filling is performed at the end of manufacturing the plate, via the valve ( 4 ), which is then protected to prevent its being operated accidentally during the packaging and transportation operations.
  • the reservoir ( 3 ) has a filling aperture ( 31 ) on the securing surface ( 21 ) side, closed by a plug ( 32 ).
  • the securing surface ( 21 ) of the plate is preferably a fibrous surface designed to affix itself to the surface of the plate ( 103 ) of the machine ( 100 ), the which machine is generally equipped with small claws allowing quick securing while being, notwithstanding, highly effective without subsequently impeding the replacement of the lustering plate ( 1 ) after use.
  • the active surface ( 22 ) of the plate ( 1 ) is the bottom surface of the foam body ( 2 ) or a special added surface.
  • the active surface ( 22 ) has a roughness and, more generally, a surface condition that depends on the work to be performed and the nature of the surface to be worked/lustered. The same applies to the quality of the lustering liquid.
  • the control rod ( 43 ) stops cleanly above the active surface ( 22 ) at rest, when the foam body ( 2 ) is not compressed, so as not to systematically open the dispenser valve ( 4 ) during the lustering work, and so that liquid is only dispensed via an intentional action resulting from a pronounced pressing of the lustering plate ( 1 ) on the worked surface (S).
  • valve ( 4 ) incorporating a pipe ( 42 ) it is flexible and slightly distant from the active surface ( 22 ), so as not to intervene in the lustering while, nonetheless, enabling the compression of the foam body ( 2 ).
  • valve ( 4 ) should remain impermeable and not be likely to be opened by an accidental pressure exerted on the control rod ( 44 ) during the operations of packaging, handling and installation of the plate ( 1 ) on the machine ( 100 ).
  • valve's control rod is added such that it can be installed at the time of usage of the plate, via being screwed or clipped on.
  • the return spring ( 45 ) of the blocking device ( 43 ) is replaced by a magnetic connection system consisting of a small magnet incorporated into the blocking device and a ferromagnetic ring incorporated into the valve seat ( 41 ).
  • the complete lustering plate must have a symmetry of rotation, with a precise distribution of the weight around the axis YY, which is the axis of rotation of the machine, to prevent any imbalance. For this reason, the entire structure of the lustering plate ( 1 ) has a symmetry of rotation.
  • FIG. 2 shows another form of implementation of the lustering plate ( 1 a ) in which the parts that are identical to those of the form of implementation in FIG. 1 have the same references.
  • This form of implementation differs from the preceding one insofar as the reservoir ( 3 ) is incorporated more deeply into the foam body ( 2 ) of the lustering plate ( 1 a ), with an intermediate foam part ( 2 a ) between the top of the reservoir ( 3 ) and the securing surface ( 21 ) of the machine's ( 100 ) drive plate.
  • the characteristics of this lustering plate are the same as those of the preceding plate.
  • FIG. 3 shows the lustering plate ( 1 a ) of FIG. 2 positioned to distribute the lustering liquid.
  • the lustering plate (la) is—for example—inclined and the bottom, at the active surface ( 22 ) is compressed such that the blocking device ( 43 ) is lifted from the valve seat ( 41 ), and the lustering liquid is thus dispensed through the pipe ( 42 ) on the active surface ( 21 ), which is the interface between the lustering plate ( 1 a ) and the lustering surface (S).
  • This inclined position of actuation of the blocking device ( 43 ) is only an example; it is also possible to compress the foam body ( 2 ) by compressing it perpendicularly to the worked surface (S).
  • the dispensing of lustering liquid occurs under the same conditions, whether the plate ( 1 , 1 a ) is inclined or parallel to the surface to be lustered (S).
  • the surface to be lustered (S) is not necessarily flat or horizontal.
  • FIG. 4 provides a schematic illustration of a portable electric machine ( 100 ) equipped with a tool-holder plate ( 103 ) and a lustering plate ( 1 , 1 a ) in accordance with the invention.
  • the machine is composed of a sleeve forming a handle ( 101 ) enclosing the electric motor.
  • the output point of the motor impels—via an angular point ( 102 ), such as a 90° angle—the output shaft bearing the plate ( 103 ) accommodating the lustering plate ( 1 , la).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
US15/768,910 2016-12-30 2017-12-20 Lustering plate for a portable electric rotary machine Expired - Fee Related US10702118B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR1663550 2016-12-30
FR1663550A FR3061443B1 (fr) 2016-12-30 2016-12-30 Plateau de lustrage pour une machine electroportative rotative
WOPCT/FR2017/053750 2017-12-20
PCT/FR2017/053750 WO2018122500A1 (fr) 2016-12-30 2017-12-20 Plateau de lustrage pour une machine electroportative rotative

Publications (2)

Publication Number Publication Date
US20200146526A1 US20200146526A1 (en) 2020-05-14
US10702118B2 true US10702118B2 (en) 2020-07-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
US15/768,910 Expired - Fee Related US10702118B2 (en) 2016-12-30 2017-12-20 Lustering plate for a portable electric rotary machine

Country Status (6)

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US (1) US10702118B2 (es)
EP (1) EP3562620B1 (es)
ES (1) ES2865850T3 (es)
FR (1) FR3061443B1 (es)
PL (1) PL3562620T3 (es)
WO (1) WO2018122500A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2849498A1 (es) * 2020-02-18 2021-08-18 Asensio Antoni Josep Soriano Dispositivo de dosificacion de fluidos con acoplamiento a herramientas de giro motorizadas y herramienta que lo incluye

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102084A (en) * 1977-08-12 1978-07-25 Bloomquist Thomas N Wet sanding device
US4383345A (en) * 1980-11-03 1983-05-17 Alexander John D Hand-held buffing-polishing machine
US4484419A (en) * 1981-10-07 1984-11-27 Minnesota Mining And Manufacturing Company Block for wet abrading
US4796321A (en) * 1985-08-12 1989-01-10 Lee Fu Kuei Portable electrical brush

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2409732A1 (de) * 1974-03-01 1975-09-04 Schuetze Karl Heinz Geraet zum reinigen von oberflaechen
DE202004008100U1 (de) * 2004-05-22 2004-08-12 Fuchs, Walter Injektionspolierer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102084A (en) * 1977-08-12 1978-07-25 Bloomquist Thomas N Wet sanding device
US4383345A (en) * 1980-11-03 1983-05-17 Alexander John D Hand-held buffing-polishing machine
US4484419A (en) * 1981-10-07 1984-11-27 Minnesota Mining And Manufacturing Company Block for wet abrading
US4796321A (en) * 1985-08-12 1989-01-10 Lee Fu Kuei Portable electrical brush

Also Published As

Publication number Publication date
FR3061443B1 (fr) 2019-05-24
PL3562620T3 (pl) 2021-12-06
ES2865850T3 (es) 2021-10-18
WO2018122500A1 (fr) 2018-07-05
EP3562620A1 (fr) 2019-11-06
FR3061443A1 (fr) 2018-07-06
EP3562620B1 (fr) 2021-01-27
US20200146526A1 (en) 2020-05-14

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